Rapid cooling device for refined iron casting

The utility model discloses a fine iron casting rapid cooling device which comprises a cooling box, a fixing column is welded to the top of the cooling box, a top plate is welded to the top of the fixing column, a hydraulic cylinder is fixedly connected to the top of the top plate through bolts, and a lifting frame is fixedly connected to the output end of one side of the hydraulic cylinder. A rotating roller is rotationally connected to the inner wall of one side of the lifting frame, a through hole is formed in the outer wall of one side of the rotating roller, a first supporting plate and a second supporting plate are fixedly connected to the outer wall of one side of the cooling box through bolts, and the first supporting plate is located on one side of the second supporting plate. According to the rapid cooling device for the refined iron castings, the refined iron castings can be immersed in cooling liquid and taken out of the cooling liquid through lifting of the lifting frame in the cooling box, the r